cui.com

date 06/11/2015

│ page 2 of 7

CUI Inc

│ SERIES: VSK-S25 │ DESCRIPTION: AC-DC POWER SUPPLY

INPUT

parameter

conditions/description

min

typ

max

units

voltage

85

100

264

370

Vac

Vdc

frequency

47

63

Hz

current

at 115 Vac

at 230 Vac

600

340

mA

mA

inrush current

at 115 Vac

at 230 Vac

16

30

A

A

leakage current

at 230 Vac, 50 Hz (RMS)

0.1

mA

input fuse

3.15 A/250 V, slow-blow type (external)

OUTPUT

parameter

conditions/description

min

typ

max

units

capacitive load

5 Vdc output model

9 Vdc output model

12 Vdc output model

15 Vdc output model

24 Vdc output model

48 Vdc output model

12,000

5,600

5,400

2,400

1,400

800

μF

μF

μF

μF

μF

μF

line regulation

at full load

±0.5

%

load regulation

at 10~100% load

±1

%

voltage set accuracy

±2

%

adjustability

±10

%

hold-up time

at 115 Vac

at 230 Vac

15

80

ms

ms

switching frequency

65

kHz

temperature coefficient

±0.02

%/°C

PROTECTIONS

parameter

conditions/description

min

typ

max

units

over current protection

auto restart

110

%

short circuit protection

continuous, auto restart

over voltage protection

5 Vdc output model

9 Vdc output model

12 Vdc output model

15 Vdc output model

24 Vdc output model

48 Vdc output model

7.5

12

20

20

30

60

Vdc

Vdc

Vdc

Vdc

Vdc

Vdc

SAFETY & COMPLIANCE

parameter

conditions/description

min

typ

max

units

isolation voltage

input to output for 1 minute

input to ground for 1 minute

3,000

2,000

Vac

Vac

safety approvals

UL60950-1, CE

safety class

class I

conducted emissions

CISPR22/EN55022, Class B

radiated emissions

CISPR22/EN55022, Class B

ESD

IEC/EN61000-4-2 Class B, contact ±6 kV/air ±8 kV

radiated immunity

IEC/EN61000-4-3 Class A, 10V/m

EFT/burst

IEC/EN61000-4-4 Class B, ±2 kV

IEC/EN61000-4-4 Class B, ±4 kV (external circuit required, see figure 2)

For more information, please visit the product page.